Question

CALCULE O VALOR DE X PFV COM A CONTA

Answer 1

A)2x+3=5
2x=5-3
2x=2
x=1
B)5x-2=8
5x=8+2
5x=10
x=2
C)6x-3/2=10
6x-3=10.2
6x-3=20
6x=20+3
6x=17
x=17/6
D)8x-3/2=5
8x-3=2.5
8x-3=10
8x=10+3
8x=13
x=13/8
E)6x-3/2=4
6x-3=2.4
6x-3=8
6x=8+3
6x=11
6x=11/6
F)4x+5=3
4x=3-5
4x=-2
x=-0,5
G)4x+5=3
4x=5+3
4x=8
x=2
H)6x-5=4
6x=4+5
6x=9
x=9/6=3/2
I)5x+3=7
5x=7-3
5x=4
x=4/5
J)8x-2+2x=4
8x+2x=4+2
10x=6
x=6/10=0,6